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Dexter Marsh's Quarry, Montague (Jurassic to of the United States)

Also known as Montague Canal, Lull 9

Where: Franklin County, Massachusetts (42.5° N, 72.6° W: paleocoordinates 24.2° N, 18.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Portland Formation (Agawam Group), Hettangian to Hettangian (201.6 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; micaceous, red sandstone

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by D. Marsh, E. Hitchcock in 1835-1842, 1906

Collection methods: quarrying, surface (in situ), peel or thin section,

Primary reference: E. Hitchcock. 1836. Ornithichnology - description of the foot marks of birds, (Ornithichnites) on new Red Sandstone in Massachusetts. The American Journal of Science and Arts 29(2):307-340 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52993: authorized by Matthew Carrano, entered by Matthew Carrano on 30.08.2005

Creative Commons license: CC BY (attribution)